import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

/****
 * vm option
 * -Xms20M -Xmx20M -Xmn10M -XX:SurvivorRatio=8 -XX:+PrintGCDetails
 */
public class Main {

    public static void main(String[] args) {
        System.out.println("Hello World!");
        List<UUID> list = new ArrayList<UUID>();
        while(true){
            list.add(UUID.randomUUID());
        }
    }

}


